TAS5705PAP - 20W Stereo Class-D Amplifier | Texas Instruments
MPN: TAS5705PAP ✓ NakahandaTAS5705PAP Ulas
A Class-D audio power amplifier is a switching-based amplifier that delivers speaker output at high efficiency compared with conventional linear audio amplifiers. The TAS5705 belongs to the hierarchy digital audio power amplifier, Class-D amplifier, audio amplifier, amplifier IC and power-management semiconductor. Its digital signal path allows system-level processing to be integrated closer to the speaker output while retaining a compact surface-mount implementation.
Verified product information identifies the TAS5705 as a 20 W stereo device with an 8 V to 23 V supply, digital input, open-loop Class-D architecture, speaker EQ and DRC. Distributor listings also describe the PAP configuration as a two-channel amplifier with stereo headphone and subwoofer features. These characteristics position it for consumer audio systems requiring a digital audio interface and local speaker-drive capability.
The open-loop Class-D topology delegates loop filtering to external components, allowing the analog filter design to be selected for the intended speaker bandwidth, output-power target and system cost. Integrated EQ and DRC provide tools for controlling tonal response and limiting output excursion, although exact processing configuration depends on the device registers and the associated control software or external digital processor.
Typical uses include compact stereo speakers, multimedia systems, sound bars, home-audio products and consumer audio receivers with a digital signal source. Digital input makes the device especially useful where the host processor already provides decoded PCM audio and system designers want to keep the audio signal in the digital domain until the final power-amplifier stage.
A key design consideration is that the external LC filter and speaker load directly affect achievable output power, distortion and stability. Layout should follow the manufacturer's recommended application circuit, keep switching-current paths compact and place the filter components close to the appropriate output pins.
This page consolidates verified manufacturer and distributor information, drop-in replacement candidates, package details and engineering guidance into one searchable reference for designers evaluating the TAS5705PAP in digital-input stereo audio systems.
Mga alternatibo na pwedeng ilagay na TAS5705PAP — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok TAS5705PAP (parehas na form factor at footprint) — pagkakaiba sa Supply Voltage Range.
TAS5701PAP
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →TAS5701PAPRG4
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
TAS5705PAP Mga Pinakamataas na Rating at Electrical Characteristics
| Channel Configuration | 2 channels, stereo |
| Output Power | 20 W stereo |
| Supply Voltage Range | 8 V to 23 V |
| Input Type | Digital input |
| Amplifier Topology | Open-loop Class-D |
| Speaker Output Type | Stereo bridge-tied |
| Speaker EQ | Supported |
| Dynamic Range Control | Supported |
| Audio Features | Stereo headphones and subwoofer functions indicated by distributor listing |
| Packhaging | HTQFP (PAP), 64 pins |
| Package Body Size | 10 mm x 10 mm |
| Uri ng Pagpapasok | Surface Mount |
| Product Description | 20-W stereo digital audio power amplifier with EQ and DRC |
Gabay sa Pin Configuration ng TAS5705PAP 10 mm x 10 mm
Pin configuration para sa TAS5705PAP (10 mm x 10 mm package). Ang analog component na ito ay may input, output, at power supply pins. Sumangguni sa datasheet ng manufacturer para sa offset null, compensation, at enable pin configurations. Perpekto para sa signal conditioning at amplifier circuits.
Wala ng detalyadong pinout data na magagamit para sa TAS5705PAP.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
TAS5705PAP ay nararapat para sa 6 aplikasyons: Compact Stereo Speaker, Digital Sound Bar, Multimedia Speaker System, Home Audio Amplifier Module, Digital Active Speaker, Consumer Audio Receiver Output.
Compact Stereo Speaker
The TAS5705PAP fits compact stereo speakers whose source is already a digital audio stream because it accepts digital input and drives two bridge-tied channels at a verified 20 W stereo output class. The 8 V to 23 V supply range supports typical integrated amplifier rails, while the open-loop Class-D architecture allows the external filter to be selected around the intended speaker bandwidth. Speaker EQ and DRC provide system-level tonal control and excursion limiting. Engineers should verify continuous-power behavior, thermal rise and filter component tolerances before assigning full 20 W to every speaker.
Inirekomenda
Digital Sound Bar
A sound bar architecture benefits from the TAS5705PAP because decoded PCM audio can remain digital until the final Class-D output stage, reducing avoidable analog routing between the host processor and speakers. The device's verified 20 W stereo rating, digital input and integrated speaker EQ and DRC support compact left and right amplifier channels. Use the manufacturer-recommended external output filter and keep high-current switching loops small. Thermal analysis should include amplifier loss, supply efficiency and the enclosed sound-bar ventilation conditions rather than speaker power alone.
Inirekomenda
Multimedia Speaker System
The TAS5705PAP is appropriate for multimedia speakers driven by a digital host processor because the verified digital input avoids requiring a separate analog-input power-amplifier front end. Its stereo 20 W class output can support two bridge-tied speaker channels, while EQ and DRC enable consistent output behavior across different speaker sensitivities. The system designer must select the external Class-D filter, verify clocking and digital-audio format compatibility, and confirm that the 8 V to 23 V supply remains stable under dynamic speaker load.
Inirekomenda
Home Audio Amplifier Module
The TAS5705PAP can serve as the output stage of a modular home-audio amplifier when the upstream processor provides a compatible digital stream. Its two-channel 20 W stereo capability suits powered bookshelf speakers, small wireless speakers and compact active monitors. The open-loop Class-D design places filter design directly in the designer's control, enabling optimization for the selected speaker impedance and crossover behavior. EQ and DRC reduce the need for external processors, although firmware or control configuration must be included in the production design and tested for clipping and thermal performance.
Inirekomenda
Digital Active Speaker
An active speaker built around the TAS5705PAP can accept digital audio over a short internal connection from a wireless receiver, DSP or network-audio module. This eliminates an unnecessary analog conversion in the speaker enclosure and uses the amplifier's verified speaker EQ and DRC functions to manage gain and output excursion. The 8 V to 23 V operating range allows integration with common multi-cell or regulated supply arrangements. Design verification should include filter stability with the actual speaker cable, idle behavior, startup sequencing and protection against sustained near-clipping output.
Inirekomenda
Consumer Audio Receiver Output
The TAS5705PAP is suitable for the speaker-output stage of a compact consumer receiver when its host controller supplies decoded stereo audio digitally. The device's verified 20 W stereo rating targets typical domestic listening levels, and DRC can limit output excursions without requiring a separate analog limiter. Because the topology is open-loop Class-D, the external filter is a critical part of signal integrity and stability. Follow the manufacturer reference circuit, validate filter tolerance and speaker impedance, and confirm the amplifier and supply are thermally coupled to the enclosure rather than relying on nominal wattage alone.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for TAS5705PAP — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | TAS5701PAP | TAS5701PAPRG4 |
|---|---|---|---|
| Package | HTQFP (PAP), 64 pins, 10 mm x 10 mm | HTQFP (PAP), 64 pins | HTQFP (PAP), 64 pins |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Device Type | 20 W stereo digital audio power amplifier | Stereo digital audio Class-D power amplifier family member | Stereo digital audio Class-D power amplifier family member |
| Input Type | Digital input | Digital input family feature | Digital input family feature |
Pangunahing mga Pagkakaiba
- Verified TAS5705 feature set (kumpara saTAS5701PAP)
- Documented supply range (kumpara saTAS5701PAPRG4)
- Defined output-processing functions (kumpara saTAS5701PAP)
Talaan ng Disenyo
Follow the manufacturer's recommended application circuit for the 64-pin PAP package. Keep high-current PVDD and output-current paths compact, provide a low-impedance ground reference and place the external Class-D filter components close to the corresponding output pins. The open-loop architecture makes the filter an integral part of the amplifier, so trace geometry and component placement should not be treated as optional fine-tuning.
Evaluate heat dissipation using the actual Class-D output filter, speaker impedance, supply voltage and maximum continuous signal level rather than the nominal 20 W stereo rating alone. Estimated: amplifier conduction and switching loss equals output power divided by the measured conversion efficiency, after which junction rise depends on the package thermal resistance and board copper. Those two required inputs are not present in the verified data, so a defensible thermal-rise value cannot be supplied here.
Do not assume that two amplifiers in the same product family are software- and pin-compatible merely because they use a similar package. Before replacing TAS5705PAP with TAS5701PAP or TAS5701PAPRG4, compare digital-audio formats, clocking, control registers, EQ and DRC resources, pin multiplexing, output-filter requirements and recommended PCB layouts. Also verify the 8 V to 23 V operating range against the replacement's complete electrical specification.
Design the supply for amplifier peak current as well as average output power. Estimated: the required supply-current capability is amplifier output power divided by supply voltage and conversion efficiency, so the 20 W stereo rating does not directly determine the input-current rating. Include startup inrush, dynamic-load headroom and local reservoir capacitance at the amplifier according to the application circuit before releasing the layout for production.
Impormasyon ng Pagsunod sa Kautusan
The verified search results do not contain explicit compliance declarations. RoHS, REACH, AEC-Q100, lead-free, halogen-free and conflict-minerals status must be confirmed from the manufacturer product documentation or the distributor parametric records.
